Should I block it?

60%
60% of PCs block this file from running.
Possible reason:
Performance resource utilization

VersionsAdditional versions

253e0 11.11%
1d012 33.33%
75c70 11.11%
362d3 11.11%
2fe52 11.11%
aa9df 11.11%
cf47a 11.11%
(Note, Safe Download Limited publishes each variation of this file with the same version, but the hashes are unique.)

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
CreateServiceW, EnumDependentServicesW, QueryServiceStatusEx, StartServiceCtrlDispatcherW, DeleteService, ControlService, QueryServiceStatus, OpenServiceW, CloseServiceHandle, ChangeServiceConfig2W, StartServiceW, OpenSCManagerW, RegisterServiceCtrlHandlerExW, SetServiceStatus, InitiateSystemShutdownW, RegDeleteKeyW, RegCreateKeyExW, RegDeleteValueW, RegSetValueExW, RegEnumValueW, RegCloseKey, RegQueryValueExW, RegOpenKeyExW, RegEnumKeyExW
iphlpapi.dll
GetAdaptersInfo
kernel32.dll
ReadProcessMemory, OpenProcess, CloseHandle, GetProcAddress, GetModuleHandleW, Sleep, GetSystemTimeAsFileTime, GetTickCount, CreateToolhelp32Snapshot, Process32FirstW, Process32NextW, lstrlenW, WideCharToMultiByte, GetLastError, CopyFileW, DeleteFileW, RemoveDirectoryW, GetCurrentThreadId, CreateMutexW, WaitForSingleObject, ReleaseMutex, GetExitCodeProcess, TerminateThread, MultiByteToWideChar, SetHandleInformation, GetFileType, ReadFile, CreateThread, SetConsoleCtrlHandler, FreeConsole, AttachConsole, GenerateConsoleCtrlEvent, GetCurrentProcess, FormatMessageW, LocalFree, FileTimeToSystemTime, FileTimeToLocalFileTime, SystemTimeToFileTime, GetLocalTime, GetCommandLineW, GetModuleFileNameW, SetCurrentDirectoryW, HeapAlloc, GetProcessHeap, HeapFree, lstrlenA, LoadLibraryW, SetLastError, FreeLibrary, GetLocaleInfoW, WriteFile, GetConsoleCP, CreateProcessW, GetStartupInfoW, GetConsoleMode, SetFilePointer, FlushFileBuffers, HeapReAlloc, FreeEnvironmentStringsW, GetEnvironmentStringsW, QueryPerformanceCounter, GetCurrentProcessId, SetEnvironmentVariableA, GetUserDefaultLCID, GetLocaleInfoA, EnumSystemLocalesA, IsValidLocale, WriteConsoleW, SetStdHandle, CreateFileW, SetEndOfFile, CompareStringW, CreatePipe, InitializeCriticalSectionAndSpinCount, GetStdHandle, SetHandleCount, HeapCreate, TlsFree, TlsSetValue, TlsGetValue, TlsAlloc, IsValidCodePage, GetOEMCP, GetACP, ExitProcess, HeapSize, IsProcessorFeaturePresent, InterlockedIncrement, InterlockedDecrement, InterlockedCompareExchange, InterlockedExchange, GetStringTypeW, EncodePointer, DecodePointer, InitializeCriticalSection, DeleteCriticalSection, EnterCriticalSection, LeaveCriticalSection, GetCPInfo, GetTimeZoneInformation, ExitThread, HeapSetInformation, RaiseException, RtlUnwind, LCMapStringW, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, GlobalFree, GetSystemTime, GetFileAttributesW
pdh.dll
PdhOpenQueryW, PdhGetFormattedCounterValue, PdhCollectQueryData, PdhAddCounterW, PdhLookupPerfNameByIndexW, PdhCloseQuery
secur32.dll
LsaFreeReturnBuffer, LsaGetLogonSessionData, LsaEnumerateLogonSessions
shell32.dll
SHGetFolderPathW
sqlite3.dll
sqlite3_extended_result_codes, sqlite3_close, sqlite3_open16, sqlite3_exec, sqlite3_free
urlmon.dll
URLDownloadToFileW
winhttp.dll
WinHttpQueryDataAvailable, WinHttpQueryHeaders, WinHttpReceiveResponse, WinHttpWriteData, WinHttpGetProxyForUrl, WinHttpGetIEProxyConfigForCurrentUser, WinHttpSendRequest, WinHttpAddRequestHeaders, WinHttpSetOption, WinHttpReadData, WinHttpConnect, WinHttpCrackUrl, WinHttpSetTimeouts, WinHttpOpen, WinHttpCloseHandle, WinHttpOpenRequest
wininet.dll
InternetOpenW, InternetCloseHandle, InternetOpenUrlW

pcsuservice.exe

By Safe Download Limited (Signed)

Remove pcsuservice.exe
MD5:   cf47a920c4b8c5250b010ef56786fa6a
SHA1:   c8ccf51ea2a87675003acacfaa3de524507e9700

About pcsuservice.exe (from Safe Download Limited)

PC Speed Up will scan your PC and search for settings, processes and files that are slowing down your performance before it uses number of effective tools to optimise your computer. Using one-click, P

Overview

pcsuservice.exe runs as a service under the name PC Speed Up Service (PCSUService) within the local user context. It is installed with a couple of know programs including PC Speed Up published by Speedchecker Limited, Velocidade Do PC from Speedchecker Limited and Velocidade Do PC by Speedchecker Limited. The file is digitally signed by Safe Download Limited which was issued by the DigiCert Inc certificate authority (CA).

DetailsDetails

File name:pcsuservice.exe
Typical file path:C:\Program Files\pc speed up\pcsuservice.exe
Size:402.3 KB (411,952 bytes)
Build date:8/16/2013 12:28 AM
Certificate
Issued to:Safe Download Limited
Authority (CA):DigiCert Inc
Effective date:Sunday, July 1, 2012
Expiration date:Tuesday, August 26, 2014
Digital DNA
PE subsystem:Windows Console
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Speedchecker Limited
  69% remove
Do you feel that your PC does not work as it used to? The reason may be one or more problems acting together. The problem nowadays is that it is very difficult and time consuming to monitor and take care of your PC. Even experienced users find it hard to perform such tasks on regular basis. C Speed Up will scan your PC and search for settings, processes and files that are slowing down your performance before it uses number of effective ...
Speedchecker Limited
48% remove
Speedchecker Limited
  56% remove
Speedchecker Limited
  70% remove
Using one-click, PC Speed Up will make your network settings, hard disc, memory and CPU optimised and will improve the overall performance. Fast and easy to use PC Speed Up will clean your PC and will make it run faster. The repair process allows to fix 1 category of problems - startup issues - for free. In order to fix the rest of the problems you need to purchase full version of the application for $29. It is a one-time payment that e...
Speedchecker Limited
  68% remove
PC Speed Up will scan your PC and search for settings, processes and files that are slowing down your performance before it uses number of effective tools to optimise your computer. Using one-click, PC Speed Up will make your network settings, hard disc, memory and CPU optimised and will improve the overall performance. Fast and easy to use PC Speed Up will clean your PC and will make it run faster. Do you feel that your PC does not wor...

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'PCSUService' (PC Speed Up Service)
  • PCSUService

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 25.00%
Windows 7 Professional 25.00%
Windows 7 Ultimate 12.50%
Windows 7 Ultimate N 12.50%
Windows 8 12.50%
Microsoft Windows XP 12.50%

Distribution by countryDistribution by country

United States installs about 37.50% of pcsuservice.exe.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 33.33%
Toshiba 33.33%
Samsung 16.67%
Hewlett-Packard 16.67%
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